RS485 to Ethernet Converter
Industrial-grade Modbus RTU → TCP gateway. Drop it on a DIN rail and your legacy serial devices show up on the network in minutes.
Inclusive of all taxes · Free shipping above ₹10,000
- Seamless Modbus RTU to Modbus TCP bridging
- Wide operating temperature (-40 to 75°C)
- Surge & ESD protection on RS485
- Dual power input (6–24 VDC)
- 2-year warranty + free tech support

How it works
Bridges Modbus RTU to Modbus TCP — transparently.
No protocol gymnastics, no firmware quirks. Plug your RS485 multidrop bus into one side, run an Ethernet cable to your SCADA or cloud gateway on the other. Bidirectional, lossless, configurable.
PLC / Meter
Modbus RTU
RS485
MDIM-485
Bridge
Ethernet
SCADA / Cloud
Modbus TCP
Built for the factory floor
Survives the panel. Even the unconditioned ones.
Metal housing, -40 to 75 °C operating range, surge and ESD protection on the RS485 line, dual 6–24 VDC power input. Designed for the kind of cabinet that doesn't come with air-conditioning brochures.
Wide thermal range
-40 °C to 75 °C operating
Line protection
Surge + ESD on RS485
Dual power input
6–24 VDC terminal or jack
Metal housing
160 g, 82 × 51.5 × 23 mm


Field-friendly wiring
Pluggable terminals. Clear labelling. Status LEDs you can read across the panel.
Mating screw-terminal connector, multidrop RS485 bus support, and dedicated power / link / TX / RX indicators so commissioning takes minutes, not hours.
- Multidrop RS485 bus — multiple RTU slaves on one port
- Baud rate 50 bps to 921.6 kbps, software-configurable
- 10 Mbps RJ45 with auto-MDIX
- Power / link / activity LEDs
MDIM Manager
Configure in minutes from a Windows laptop.
Free desktop tool to set IP address, baud rate, parity, slave mappings, and firmware updates. No cloud login, no subscription — just connect over Ethernet and go.
Where it fits
Wherever RS485 meets Ethernet.
Industrial Automation
Bridge PLCs to SCADA over Ethernet for real-time line monitoring and centralized control.
Building Automation & HVAC
Integrate HVAC, energy meters, and access control into building management networks.
Smart Grid & Energy
Pull live data from solar inverters, energy meters, and power distribution gear.
IoT & Remote Monitoring
Connect distributed sensors to the cloud for analytics and predictive maintenance.
Specs
Technical specifications
Communication Interfaces
- Ethernet Protocol
- Modbus TCP
- Ethernet Data Rate
- 10 Mbps
- Network Interface
- 1 × Ethernet (RJ45)
- Serial Port
- RS-485 × 1
- Baud Rate
- 50 bps – 921.6 kbps
- Line Protection
- Surge & ESD
Electrical
- Input (Screw Terminal)
- 6 – 24 VDC
- Input (Power Jack)
- 6 – 24 VDC
- Operating Current
- 600 mA
- Power Consumption
- 3 W @ 200 mA
Physical
- Housing
- Metal
- Dimensions (L × W × H)
- 82 × 51.5 × 23 mm
- Weight
- 160.4 g
Environmental
- Operating Temperature
- -40 °C to 75 °C
- Storage Temperature
- -40 °C to 85 °C
Resources
Datasheets, manuals & software
Datasheet (DS_MDIM485)
v1.1 · Released Oct 7, 2025
User Manual (UM_MDIM485)
v1.1 · Released Oct 7, 2025
MDIM Manager (Configuration App)
v1.1 · Released Oct 7, 2025
Installation Guide
— · Released —
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FAQ
Questions, answered.
Ready to bridge your RS485 devices?
Get a quote with volume pricing, lead time, and integration support — usually in under 24 hours.
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Key Features:
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2-year warranty
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